Home / 2,857.95-3,943.92-1,599

Finding the Fourth Proportional to 2,857.95, 3,943.92 and 1,599

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Solution

The fourth proportional to 2,857.95, 3,943.92 and 1,599 is: 2,206.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.95 : 3,943.92 = 1,599 : x
  2. Step 2: Convert to fraction form
    2,857.95/3,943.92 = 1,599/x
  3. Step 3: Cross multiply
    2,857.95x = 3,943.92 × 1,599
  4. Step 4: Simplify right side
    2,857.95x = 6,306,328.08
  5. Step 5: Solve for x
    x = 6,306,328.08/2,857.95
  6. Step 6: Final answer
    x = 2,206.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.